Grow healthy seedlings in less time than ever with the All-Roots Seed Starting System from Gardens Alive!®. This state-of-the-art seed-starting system employs the same hydroponic technology used in commercial greenhouses. It contains everything you need to provide an optimal growth environment for the development of strong roots and healthy plants, outperforming other growing media by far! You won't need to handle messy bags of potting soil, or worry about roots breaking off during transplanting. In short, this self-contained kit allows you to sow seed and grow plants in one unit, then easily transplant these seedlings into your garden or container. Kit includes 1 reusable plastic tray, 1 reusable foam grow plug holder, 1 reusable humidity dome, grow plugs, and soluble fertilizer. Re-order Grow Plugs whenever you run out! The biodegradable grow plugs can be planted directly into the garden without disrupting roots, reducing transplant stress and keeping proper moisture levels.